#include<cstdio>//uncle-lu
#include<algorithm>
template<class T>void read(T &x)
{
	x=0;int f=0;char ch=getchar();
	while(ch<'0'||ch>'9') { f|=(ch=='-'); ch=getchar(); }
	while(ch<='9'&&ch>='0') { x=(x<<1)+(x<<3)+(ch^48); ch=getchar(); }
	x = f ? -x : x;
	return ;
}

int n, m;
int F[10010], line[110];

int main()
{
	read(n);read(m);
	for (int i = 1; i <= n; i++) 
		read(line[i]);

	F[0] = 1;
	for (int i = 1; i <= n; i++) 
		for (int j = m; j >= line[i]; j--) 
			F[j] += F[j-line[i]];

	printf("%d", F[m]);
}
